Welcome to Things we read this week, a weekly post featuring articles from around the internet recommended by BMJ’s Digital Group members. These are articles we’ve read and liked, things that made us think and things we couldn’t stop talking about. Check back every Friday for a new post.

Economists have a hard time explaining why productivity growth has been shrinking. One theory: true innovation has gotten much harder – and much more expensive. So what should we do next? [Suggested by: Lindsey, Associate Publisher]

2018 Fjord Trends
A look at what’s ahead for the future of business, technology and design. Some fascinating topics including: the use of design thinking for market differentiation; block chain to generate trust; development of success indicators for ethical self-audit; and the ability of machines to “see” and “read emotions”. [Suggested by: Samira, Market & Competitive Intelligence Manager]